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Diffstat (limited to 'scripts/dtc/livetree.c')
-rw-r--r--scripts/dtc/livetree.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/scripts/dtc/livetree.c b/scripts/dtc/livetree.c
index 3673de07e4e5..6846ad2fd6d2 100644
--- a/scripts/dtc/livetree.c
+++ b/scripts/dtc/livetree.c
@@ -216,6 +216,28 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node)
return old_node;
}
+void add_orphan_node(struct node *dt, struct node *new_node, char *ref)
+{
+ static unsigned int next_orphan_fragment = 0;
+ struct node *node;
+ struct property *p;
+ struct data d = empty_data;
+ char *name;
+
+ d = data_add_marker(d, REF_PHANDLE, ref);
+ d = data_append_integer(d, 0xffffffff, 32);
+
+ p = build_property("target", d);
+
+ xasprintf(&name, "fragment@%u",
+ next_orphan_fragment++);
+ name_node(new_node, "__overlay__");
+ node = build_node(p, new_node);
+ name_node(node, name);
+
+ add_child(dt, node);
+}
+
struct node *chain_node(struct node *first, struct node *list)
{
assert(first->next_sibling == NULL);
@@ -396,6 +418,12 @@ cell_t propval_cell(struct property *prop)
return fdt32_to_cpu(*((fdt32_t *)prop->val.val));
}
+cell_t propval_cell_n(struct property *prop, int n)
+{
+ assert(prop->val.len / sizeof(cell_t) >= n);
+ return fdt32_to_cpu(*((fdt32_t *)prop->val.val + n));
+}
+
struct property *get_property_by_label(struct node *tree, const char *label,
struct node **node)
{
@@ -478,7 +506,8 @@ struct node *get_node_by_path(struct node *tree, const char *path)
p = strchr(path, '/');
for_each_child(tree, child) {
- if (p && strneq(path, child->name, p-path))
+ if (p && (strlen(child->name) == p-path) &&
+ strneq(path, child->name, p-path))
return get_node_by_path(child, p+1);
else if (!p && streq(path, child->name))
return child;